Finding the Fourth Proportional to 126,330.08, 189,395.16 and 47,435.52
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Solution
The fourth proportional to 126,330.08, 189,395.16 and 47,435.52 is: 71,115.75
Step by Step Solution
- Step 1: Write the proportion equation
126,330.08 : 189,395.16 = 47,435.52 : x - Step 2: Convert to fraction form
126,330.08/189,395.16 = 47,435.52/x - Step 3: Cross multiply
126,330.08x = 189,395.16 × 47,435.52 - Step 4: Simplify right side
126,330.08x = 8,984,057,900.08 - Step 5: Solve for x
x = 8,984,057,900.08/126,330.08 - Step 6: Final answer
x = 71,115.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.